Wachendorff UR3274U6 PID Temperature Controller UR3274U6 Data Sheet

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UR3274U - User manual

  

To reach the setpoint the controller can follow a gradient 
expressed in units (e.g. degree/hour).
Enter this gradient on parameter 51 

Grad.

 with the chosen 

units/hour; only on subsequent activation the controller 
uses soft start function.
Automatic/manual tuning cannot be enabled if the Soft start 
is active.

This function allows to select automatic functioning or ma-
nual command of the output percentage.
Parameter 49 

Au.ma.

, can select two methods.

•  First selection 

en.

 

  pressing the 

 key display 1 shows 

p.---

, while display 2 

shows 

Auto

.

  Press the 

 key to select 

man.

 mode; it is now possible, to 

change the output percentage using the keys 

 and 

. To return to automatic mode, using the same procedure, 
select 

auto

 on display 2: 

M

 led switches off and functio-

ning returns to automatic mode.

en.st.

 

  same functioning, but with two important variants:

•  If there is a temporary power failure or after switch-off,

manual functioning as well as the previous output 
percentage value will be maintained at restarting.

•  If the sensor breaks during automatic functioning, con-

troller moves to manual mode while maintaining the